Colorado gardeners eyeing warmer USDA growing zones should be careful, experts say The map was updated for the first time since 2012, but don’t load up on heat-loving perennials just yet ...

Colorado gardeners eyeing the U.S. Department of Agriculture’s newly updated Plant Hardiness Zone Map, which now places much of the state in a warmer growing zone, should hold their horses ...

Colorado gardeners eyeing the U.S. Department of Agriculture’s updated Plant Hardiness Zone Map, which moves much of the state in a warmer growing zone, should hold their horses — or trowels — before ...